Locking disc spring washer, shape B Spring steel hardened 420-510 HV10, zinc-flake coated
Steel zinc-flake silver type B
WSH-SER-B-(FLZN480H)-D12,4
Art.-no.
0401000012
EAN 4045727253984
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- Type B (wide): up to and including screw connections of strength class 8.8, specially designed for long hole connections
- Protection type: Screw retainer
- Friction locking thanks to spring force
- Mechanical interlock thanks to specific surface stamping
- Protects the counter surface from damage (washer does not turn during installation)
- Minimal tightening torque distribution
Product information
Datasheets(X)
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Application area
Machine and system construction, drive technology, conveyor technology, commercial vehicles, construction machines, vehicle construction, agricultural technology, the food industry etc.
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Suitable for screw thread | M12 |
Internal diameter (d1) | 12.4 mm |
Outer diameter (d2) | 32.3 mm |
Height (h1) | 3.05 mm |
Thickness (s1) | 2.8 mm |
Material | Spring steel |
Min./max. Vickers hardness, HV | 420-510 HV |
Surface | Flake zinc |
RoHS-compliant | Yes |
Corrosion protection period | 720 h |
Form | B |
Locking device operating principle | Serrated lock washer |
Locking function | Embedding locking device |